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Proceedings Paper

Quanta image sensor: concepts and progress
Author(s): Eric R. Fossum; Jiaju Ma; Saleh Masoodian
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Paper Abstract

The QIS was conceived when contemplating shrinking pixel sizes and storage capacities, and the steady increase in digital processing power. In the single-bit QIS, the output of each field is a binary bit plane, where each bit represents the presence or absence of at least one photoelectron in a photodetector. A series of bit planes is generated through high-speed readout, and a kernel or “cubicle” of bits (x,y,t) is used to create a single output image pixel. The size of the cubicle can be adjusted post-acquisition to optimize image quality. The specialized sub-diffraction-limit photodetectors in the QIS are referred to as “jots” and a QIS may have a gigajot or more, read out at 1000 fps, for a data rate exceeding 1Tb/s. Basically, we are trying to count photons as they arrive at the sensor. This paper reviews the Quanta Image Sensor (QIS) concept and its imaging characteristics. Recent progress towards realizing the QIS for commercial and scientific purposes is discussed. The QIS represents a possible major paradigm shift in image capture.

Paper Details

Date Published: 5 May 2016
PDF: 14 pages
Proc. SPIE 9858, Advanced Photon Counting Techniques X, 985805 (5 May 2016); doi: 10.1117/12.2227179
Show Author Affiliations
Eric R. Fossum, Thayer School of Engineering at Dartmouth (United States)
Jiaju Ma, Thayer School of Engineering at Dartmouth (United States)
Saleh Masoodian, Thayer School of Engineering at Dartmouth (United States)


Published in SPIE Proceedings Vol. 9858:
Advanced Photon Counting Techniques X
Mark A. Itzler; Joe C. Campbell, Editor(s)

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